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【单选题】
含细小颗粒的气流在降尘室内除去小颗粒(沉降在斯托克斯区), 正常情况下能100%的最小粒径为50μm。现气体处理量增大一倍，该降尘室能100%除去的最小粒径为（）
A.
2 ×50 μm
B.
（1/2）×50 μm
C.
50 μm
D.
1.414 ×50 μm
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举一反三
【单选题】_______carefully you write, _______ mistakes you’ll make.
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【简答题】Directions：Write a composition entitled Online Education. You should write at least 120 words according to the outline given below in Chinese. 1.目前网络教育形成热潮; 2.我认为这股热潮的原因是…… 3.我对网络教育的评价。
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【单选题】下列关于纳税申报的说法中，正确的是( )。
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【单选题】While you are having an exam, you must write as ________ as you can.
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【单选题】_______carefully you write, _______ mistakes you’ll make.
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【简答题】Directions：Write a composition entitled Online Education. You should write at least 120 words according to the outline given below in Chinese. 1.目前网络教育形成热潮; 2.我认为这股热潮的原因是…… 3.我对网络教育的评价。
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【单选题】在分批均匀交货的情况下,付款方式一般地说,最适于采用( )。
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背对背信用证
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循环信用证
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查看完整题目与答案
【单选题】下列关于纳税申报的说法中，正确的是( )。
A.
甲公司2009年5月成立，5～8月由于其他原因没有进行生产经营，没有取得应税收入，所以应该从9月开始进行纳税申报
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carefully
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